| Abstract: | In this paper, the measurement technique and analysis method of ground vibration with various sources at iron and steel complex are described. The practical measurement cases of ground vibration excited by gas compressor, hammer, truck, train etc. at iron and steel complex are presented. The shapes of wave velocity, peak values, and the main frequency from measured point are listed. The measurement results point out that the velocity waves with different sources have different forms, which are mainly divided the wave forms into three types : the complex-steady-state wave, the shock wave, and the random wave, different main frequency spectrum, different peak values of velocity, and different decay law with distance from sources. The wave in three directions have different forms at each measured point with same seismic source, and their decay laws are different, too. The decay laws of vertical displacements caused by fallen-hammer with the distance from source quite fit in with the equation derivative by Bornitz. |
